[FFmpeg-cvslog] mxf: Fix a possible leak of extradata

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Tue Dec 11 14:43:47 2012 +0100| [0d6605c7ef43f97a88950542af09078adef33b6d] | committer: Luca Barbato

mxf: Fix a possible leak of extradata

Signed-off-by: Luca Barbato <lu_zero at gentoo.org>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=0d6605c7ef43f97a88950542af09078adef33b6d
---

 libavformat/mxfdec.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c
index 7314dda..d3897fa 100644
--- a/libavformat/mxfdec.c
+++ b/libavformat/mxfdec.c
@@ -858,6 +858,8 @@ static int mxf_read_generic_descriptor(void *arg, AVIOContext *pb, int tag, int
     default:
         /* Private uid used by SONY C0023S01.mxf */
         if (IS_KLV_KEY(uid, mxf_sony_mpeg4_extradata)) {
+            av_free(descriptor->extradata);
+            descriptor->extradata_size = 0;
             descriptor->extradata = av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);
             if (!descriptor->extradata)
                 return AVERROR(ENOMEM);